# K121661: EZ-Assist-Fill

- Pathway: 510(k) (Traditional)
- Applicant: Assist Fill, LLC
- Decided: Dec 27, 2012 after 205 days
- Product code: PCM (Portable Liquid Oxygen Unit Stand)
- Device class: 1
- Regulation: 21 CFR 890.5050
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 2 generations back to K933930 (1994). 3 ancestors in all.
No later device cites it as a predicate yet.
0 of 4 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K993220: Puritan-Bennett Helios Portable Liquid Oxygen System, Puritan Bennett Corp. (1999) Summary page 1.
- K813631: Jar Holder & Opener, Fred Sammons, Inc. (1982) Summary page 1.

## Indications for use
EZ-ASSIST-FILL is intended to assist the user with refilling the portable liquid oxygen tank. The device is for use in homes or clinics. The EZ-ASSIST-FILL is neither a life-sustaining, nor life-supporting device. The device is intended for Over-the-Counter use.

Source page: https://510kreport.com/device/K121661
Methodology: https://510kreport.com/methodology